code: def getParser():
      "Creates and returns the argparse parser object."
      parser = argparse.ArgumentParser(
          description=__description__,
          formatter_class=RawTextHelpFormatter,
      )
  
      parser.add_argument("image", help="The source volume.")
      parser.add_argument("output", help="The target volume.")
      parser.add_argument(
          "volume",
          help="The coordinated of the sub-volume of the images that should be extracted.\nExample: 30:59,40:67,45:75 for a 3D image.\nSee -h for more information.",
      )
      parser.add_argument(
          "-f",
          dest="force",
          action="store_true",
          help="Set this flag to silently override files that exist.",
      )
      parser.add_argument(
          "-v",
          dest="verbose",
          action="store_true",
          help="Display more information.",
      )
      parser.add_argument(
          "-d",
          dest="debug",
          action="store_true",
          help="Display debug information.",
      )
  
      return parser
  
file_path: medpy/bin/medpy_extract_sub_volume.py
imports: from argparse import RawTextHelpFormatter
  import argparse
  import logging
  import sys
  import os
  import scipy
  from medpy.core import ArgumentError, Logger
  from medpy.io import load, save
label_desc: Use image node_id 3 for calling a global function with example usage: getParser() and returns: parser